Round|Natural|GIA

2.55ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 16

Certificate GIA 16

Diamond specifications and retailer prices

From $16,036 CAD
As of November 4, 2026
Save $11,927 CAD (43%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $27,963 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.55ct natural round diamond

This 2.55ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 11 retailers as of November 4, 2026, with prices from $16,036 to $27,963, a $11,927 spread on the same certified stone. NZ Jewellers lists it at $27,963. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.55
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 16
Dimensions8.94 × 8.98 × 5.27 mm
L/W Ratio1.00
Top View
8.94 mm8.98 mm2.55 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 16
Side View
Table 59.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 58.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $27,963 CAD|Low: $16,036 CAD|High: $27,963 CAD|Avg: $19,472 CAD|+11.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$16,036 CAD
Retailer 5$16,777 CAD
Retailer 4$17,896 CAD
Retailer 6$18,177 CAD
Retailer 7$18,502 CAD
Retailer 2$20,767 CAD
NZ Jewellers$27,963 CAD

11 data points across 7 retailers

11 retailers$16,036 CAD to $27,963 CAD

A
Cheapest Retailer
-
$16,036 CAD
Retailer 2
-
$16,777 CAD
View
Price last confirmed 8 days ago
Retailer 3
-
$16,777 CAD
View
Price last confirmed 29 days ago
A
Retailer 4
-
$17,896 CAD
View
A
Retailer 5
-
$18,177 CAD
View
Retailer 6
-
$18,177 CAD
View
Price last confirmed 30 days ago
A
Retailer 7
-
$18,502 CAD
View
Retailer 8
-
$18,875 CAD
View
Price last confirmed 30 days ago
B+
Retailer 9
-
$20,767 CAD
View
Retailer 10
-
$25,188 CAD
View
Price last confirmed 31 days ago
Most Expensive
B
NZ Jewellers
7476029c-3922-4cf1-8c9b-6bb374f9ba40 · Nov 5
$27,963 CAD
$20,022 USD
View
10 more retailers have this diamond
Prices start from $16,036 CADSave up to $11,927 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
2.55ct Round
$16,036 CAD